The Lithium Battery Tester with Low Voltage Alarm is a versatile and reliable tool for battery testing. It offers a convenient way to monitor the voltage of your batteries, ensuring that they are always in optimal condition. The adjustable low voltage alarm allows you to set the desired threshold, preventing any potential damage caused by over-discharging or over-charging. Its small and lightweight design makes it perfect for on-the-go use. Features -Color:Black -Material:Electronic components -Size:4.00X2.50X1.10cm/1.57X0.98X0.43in -Note: Used to detect -8S lithium batteries -Voltage detection accuracy: ± 0.01V -Group voltage display range: 0.5V~4.5 -Total voltage display range: 0.5V~36V - test mode Voltage range: 3.7V~30V -Low voltage buzzer alarm mode 2S-8S -Alarm voltage setting range: OFF~ 2.5V ~3.8V -A versatile tool designed for testing the capacity of 1-8s lithium batteries. -Equipped with a convenient voltage display feature that allows for accurate monitoring of battery levels. -Incorporates a protective mechanism to prevent damage caused by overdischarging or overcharging. - Features a small and lightweight design, making it easy to carry around. -Provides an immediate alert through a buzzer and led light to indicate low voltage levels. Package list: 1 x tester